From Raspberry terminal
$cd ~
$curl -O https://s3-ap-northeast-1.amazonaws.com/aromajoin-downloads/software/aroma-http-controller/enable-hotspot
$curl -O https://s3-ap-northeast-1.amazonaws.com/aromajoin-downloads/software/aroma-http-controller/rpizero-hotspot
Make sure these scripts are downloaded under /home/pi/
folder.
Go to /home/pi/
folder and run the commands
$sudo chmod +x ./enable-hotspot
$sudo chmod +x ./rpizero-hotspot
$./enable-hotspot
$sudo reboot